It is used to treat bacterial infections, such as chest infections (including pneumonia) and dental abscesses. It can also be used together with other antibiotics and medicines to treat stomach ulcers. It's often prescribed for children, to treat ear infections and chest infections.CV 1000 Tablet is an antibiotic that helps your body fight infections caused by bacteria. It is used to treat infections of the lungs (e.g., pneumonia), ear, nasal sinus, urinary tract, skin, and soft tissue. It will not work for viral infections such as the common cold.